Home / 66,312,973.13-99,003,197.97-50,668,927.79

Finding the Fourth Proportional to 66,312,973.13, 99,003,197.97 and 50,668,927.79

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Solution

The fourth proportional to 66,312,973.13, 99,003,197.97 and 50,668,927.79 is: 75,647,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312,973.13 : 99,003,197.97 = 50,668,927.79 : x
  2. Step 2: Convert to fraction form
    66,312,973.13/99,003,197.97 = 50,668,927.79/x
  3. Step 3: Cross multiply
    66,312,973.13x = 99,003,197.97 × 50,668,927.79
  4. Step 4: Simplify right side
    66,312,973.13x = 5,016,385,888,425,988
  5. Step 5: Solve for x
    x = 5,016,385,888,425,988/66,312,973.13
  6. Step 6: Final answer
    x = 75,647,126.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.